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# Unit2GEO

### Reasoning & Proof

Question | Answer |
---|---|

What is the form of a conditional statement? | If Hypothesis, Then Conclusion |

What is the form of the Converse statement? | If Conclusion, Then Hypothesis |

How do you find a counterexample? | find a conclusion that is false, when the hypothesis is true (don't touch the hypothesis) |

What is the best definition? | the biconditional, when a conditional statement is reversible and still true |

what is the biconditional phrase? | if and only if |

what is the form of the biconditional? | Hypothesis if and only if Conclusion |

when does the biconditional occur? | when the conditional and converse are both true |

when an operation is performed to both sides of an equation, we call them... | properties of equalities |

Name the operational properties of equality | multiplication, division, addition, subtraction |

What does supplementary angles mean? | angles add to 180 |

What does vertical angles do? | vertical angles are congruent |

What does complementary angles do? | angles add to 90 |

what givens do you need to use the law of detachment? | if hypothesis, then conclusion (Conditional) AND the hypothesis |

What does the law of detachment conclude as true? | the conclusion detaches as true |

what givens doe you need to use the law of syllogism? | Two if, then where there is a repeated piece. |

what does the law of syllogism conclude as true? | another if. then statement as long as there is one hypothesis and one conclusion left over |

Created by:
kglanton@rhnet.org